package servlets;

import java.io.IOException;
import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import ejbSessions.ManagerUtenteRemote;

/**
 * Servlet implementation class Utente
 */
public class Utente extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public Utente() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		gestisciRichiesta(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		gestisciRichiesta(request, response);
	}
	
	private void gestisciRichiesta(HttpServletRequest request, HttpServletResponse response){
		int idUtente;
		RequestDispatcher dispatcher = request.getRequestDispatcher("/Utente.jsp");
		boolean redirect = false; 
		try{
			Hashtable<String,String> env = new Hashtable<String,String>();
			env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
			env.put(Context.PROVIDER_URL,"localhost:1099");
			InitialContext jndiContext = new InitialContext(env);
			Object ref = jndiContext.lookup("ManagerUtente/remote");
			ManagerUtenteRemote manager = (ManagerUtenteRemote)ref;
			idUtente = (Integer)request.getSession().getAttribute("userid");
			EJBPackage.Utente utente = manager.getUtente(idUtente);
			request.getSession().setAttribute("nome",utente.getNome());
			request.getSession().setAttribute("cognome",utente.getCognome());
			request.getSession().setAttribute("indirizzo",utente.getIndirizzo());
			request.getSession().setAttribute("telefono",utente.getTelefono());
			request.getSession().setAttribute("richieste", utente.getRichiesteRicevute());
		}catch(Exception e){
			try {
				response.sendRedirect("./");
			} catch (IOException e1) {
				e1.printStackTrace();
			}
		}
		
		try {
			if(!redirect){
				dispatcher.forward(request, response);
			}
		} catch (ServletException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} 
	}

}
